Home / 41,383.92-57,078.42-28,658.36

Finding the Fourth Proportional to 41,383.92, 57,078.42 and 28,658.36

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Solution

The fourth proportional to 41,383.92, 57,078.42 and 28,658.36 is: 39,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,383.92 : 57,078.42 = 28,658.36 : x
  2. Step 2: Convert to fraction form
    41,383.92/57,078.42 = 28,658.36/x
  3. Step 3: Cross multiply
    41,383.92x = 57,078.42 × 28,658.36
  4. Step 4: Simplify right side
    41,383.92x = 1,635,773,908.59
  5. Step 5: Solve for x
    x = 1,635,773,908.59/41,383.92
  6. Step 6: Final answer
    x = 39,526.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.